PROBLEM TO BE SOLVED: To provide a cooling tool capable of surely and efficiently coping with heat stress of livestock.SOLUTION: A cooling tool includes: a cold-insulation agent cover having two or more pockets which allow cold-insulation agents to be stored formed to cover at least one part of a head of livestock and one or more belts capable of mutually connecting both ends of the cold-insulation agent cover when the cold-insulation agent cover is wound on the head of livestock.COPYRIGHT: (C)2013,JPO&INPIT【課題】低コストでより確実かつ効率的に家畜のヒートストレス対策ができる冷却具を提供する。【解決手段】保冷剤を収納可能なポケットを2個以上有し、家畜の頸部の少なくとも一部を覆うように形成された保冷剤カバーと、この保冷剤カバーを家畜の頸部に巻き付けた際に、その保冷剤カバーの両端部を相互に繋ぐことが可能なベルト1本以上とを備えた冷却帯とする。【選択図】図1